.layoutBox {
  position: relative;
}
nav {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  height: 100%;
  background: #001529;
  z-index: 10;
}
main {
  position: absolute;
  top: 60px;
  right: 0;
  bottom: 0;
  padding: 30px;
}

.trigger {
  position: fixed;
  top: 22px;
  z-index: 10;
  font-size: 18px;
  padding: 0 16px;
  cursor: pointer;
  transition: color 0.3s;
}

.trigger:hover {
  color: #108ee9;
}

/* 一周年 */
.celeImg {
  position: fixed;
  top: 12px;
  z-index: 10;
  font-size: 18px;
  padding: 0 16px;
  cursor: pointer;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}


.birthdayModal{
  position: fixed;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background:rgba(43,43,43,0.6);
  z-index: 999;
}
.birthdayModal>div>a{
  display: block;
}
.birthdayModal>div>a:first-child{
  text-align: right;
  margin: 0 22px 40px 0;
}